my brother's gf is accusing me of slander because I wrote stuff about her online

[Terry]

like facebook? she said she called the police and is going to have me in jail for it the only stuff I wrote was like my brother's girlfriend called me the nosiest person ever and that she threaten to pour poop on my face and something about the money they owe me she is a bully calls me names like gay, lowlife and today threaten to beat my butt and said she had the police wire tape my phone which it only been 2 days since she said that she called the police on me I need some advice about this please